The below mentioned article provides a short note on the Coupling and Repulsion Hypothesis of Gene. Bateson and Punnett in 1906, described a cross in sweat pea, where failure of gene pairs to assort independently was exhibited. Plants of a sweat pea variety having blue flower (BB) and long pollen (LL) were crossed with those […]
Coupling and Repulsion Hypothesis of Gene
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Linkage of Gene: Groups, Complete and Incomplete | Gene Mapping
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In this article we will discuss about:- 1. Introduction to Linkage of Gene 2. Linkage Groups 3. Complete 4. Incomplete. Introduction to Linkage of Gene: Morgan (1910) noted similar behaviour in Drosophila melanogaster (Fig. 8.2) and recorded that coupling and repulsion are two aspects of a single phenomenon called linkage. Morgan was the first to […]
Crossing Over of Genes | Gene Mapping
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In this article we will discuss about:- 1. Introduction to Crossing Over of Genes 2. Factors Affecting Crossing Over of Genes 3. Cytological Basis of Crossing Over 4. Molecular Mechanism Crossing Over 5. Hybrid DNA Models of Crossing Over. Contents: Introduction to Crossing Over of Genes Factors Affecting Crossing Over of Genes Cytological Basis of […]
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